Android

After setting a background image for the listview, The listview looks good in general! However, during the drag process, the background of each entry in the listview will become black! The content on the entry cannot be seen! In this case, we need

In the basic Android tutorial (5), we wroteHelloandroidAfter that, I always felt that I had not written half a row.CodeSorry, so in this section, we willHelloandroidAndTextviewThe first contact of the text label. In this

  Starting from having no idea about makefile, I had to spend more than a week and finally had a comprehensive understanding of Android. mk. After learning about the standard makefile, we found that android. mk actually wraps the real makefile into

Here we record whether the driver of the modem module works properly on a common Linux or Android smartphone platform in a quick way. Note that the program running depends on the cross compiler version. It must be a compiler with a serial library

Socket communication is often used in Android development. Due to project requirements, I recently studied this knowledge. The requirement is to implement file transmission and control between Android mobile devices and TVs on the Android platform

Statement: some content is from the network. The following describes the Chinese garbled characters of JNI in Android. When we create a new Native. C. Eclipse defaults to GBK for native. C. I tried to convert GBK into a UTF-8 in Java, still garbled,

In the setings/about phone of the Android device, the option model number exists, for example: Click "about phone" to view the model number. OK. The summary of model number is the SDK. How does Android determine this value? How can we modify

A tween animation will perform a series of simple conversions on the content of the view object. In animation, there are four common classes for tween animation, alphaanimation (Transparency gradient ), rotateanimation, scaleanimation,

First look at the effect Use the latest android-support-v4.jar ... /* Drawer navigation variable */private drawerlayout mdrawerlayout; private listview mdrawerlist; private actionbardrawertoggle mdrawertoggle ;... /*

I found that a screen appeared on a certain page on my mobile phone. Some widgets were stretched too much to cover other widgets, which was ugly. This phenomenon has a high probability. After analysis, it is found that, once this phenomenon occurs,

From the previous blog. Previously, when developing Android programs, we encountered a very slow speed of downloading a large number of images. We can use the image compression method to compress all images to improve transmission efficiency. The

1. Hal stub Framework Analysis Hal stub's framework is relatively simple. It has three structs, two constants, and one function, or 321 architecture. Its definition is as follows: @ Hardware/libhardware/include/hardware. h @

Surfaceflinger of Android GDI Surfacefinger is translated as a surface shipper by English. The structure of sufaceflinger is not too complex, but the complexity of sufaceflinger is its client construction. The main functions of sufaceflinger are: 1)

Recently, I am working on a network call APK, which features the same SIM card phone number as the mobile phone number. Although only Java is used, many problems are also encountered. One of them is to simulate the status of the call and control the

The article is found out, the original source: http://www.cnblogs.com/angeldevil/archive/2012/03/31/2426242.html The focus of this article is that the x/y value of windowmanager. layoutparams is the relative value associated with gravity when you

1. When you get an android resource image, for example, if you want to randomly get an image, you can put the ID of the image in a collection, but if there are too many images, this is still very troublesome. We can reflect the resource ID in the r

This article is original and must be reproduced with the following source:Http://blog.csdn.net/qinjuning     This article is the Reading Notes generated after I read chapter 7th of "android Kernel Analysis". I recommend this book to books that want

For an Android mobile app, a nice and concise interface is very important, which not only improves the user experience, but also ensures the efficient execution of the app. The android SDK has provided us with a complete set of interface design

Activity Introduction Address: http://blog.csdn.net/Vange ========================================================== ========  An application is composed of multiple activities. Different activities perform different functions. The Android system's

To use javamail, you must first download three jar packages and import the project activation. jar additonnal. jar mail. jar import method: Project-> properties-> JAVA build path-> libraries-> Add external jars and then add the network access